DESCRIPTION
Box Two Center Clamp 1 Inch Stems are cold forged from the highest quality 6061-T6 aluminum. They also feature an open skeletal design and single mid-bolt wedge mounting system, making them among the lightest weight 22.2mm bar bore mini stems on the market. A 40-millimeter extension stem weighs just 132 grams grams/4.6 ounces. Box Two Center Clamp 1 Inch Stems have a single-bolt wedge clamp, meaning there are no rear-facing pinch bolts to injure the rider’s knees. They come with a 40- or 45-millimeter extension. Available in anodized red, blue, and black with laser-etched graphics and five hollow chromoly Allen bolts. Fits 22.2 Ø handlebars.
To ensure proper clamping force, the stem must be mounted on a fork with at least 30mm of exposed steerer tube. Not compatible with carbon fiber steerer tube forks. Maximum recommended user weight is 99 pounds.
FEATURES
- Lightweight Skeleton Design
- Knee-Saving Wedge Clamping System
- Hollow Cro-Mo Clamping Bolts
- Cold Forged for Superior Strength
- CNC Finishing
COMPATIBILITY
- Box One XS Fork with 1" Steerer Tube
- Box One XE Fork with 1" Steerer Tube
- Box One Carbon 3" 22.2mm Handlebars
- Box One Carbon 4.5" 22.2mm Handlebars
- Box One Carbon 6" 22.2mm Handlebars
FAQ
Yes, it can be installed with either side up, for a 5° drop or rise.
No, this stem only fits forks with 1" steer tubes.
| 40mm | 45mm | |
|---|---|---|
| Clamp (Ø) | 22.2mm | 22.2mm |
| Material | 6061-T6 Aluminum | 6061-T6 Aluminum |
| Process | Cold-Forged | Cold-Forged |
| Rise | +/-5˚ | +/-5˚ |
| Stack Height | 32mm | 32mm |
| Steerer Tube | 1" | 1" |
| Weight | 132 grams / 4.6 ounces | 145 grams / 5.1 ounces |